{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["manufacturing standard", "process parameter", "machine or equipment", "application", "process characterization", "concept or principle"], "input": "However , with digital controlled deposition , theoretically AM can print different materials with different gradients for multi-functional structures ."}
{"manufacturing standard": [], "process parameter": [], "machine or equipment": [], "application": [], "process characterization": [], "concept or principle": ["deposition", "materials", "multi-functional structures"]}